Brand new and high qualityWith screw lockApplication:exploring， rappelling， rescue， engineering protection， aerial workMaterial: Alloy SteelColor: as shown in the picturesDimensions (L x W): Approx. 5.5 x 10.7cm/ 2.20 x 4 inchThe ultimate tension: 24KN (2400kg)The maximum opening: 1.6cmThis product has got the CE certificationPlease check the package contents as following. The delivery time could take some days， your patience will be highly appreciated. Any questions after receiving the package， please feel free to contact us.Package Includes:1 x Screw Lock CarabinerAttention: It is necessary to receive adequate training (knowledge of techniques and security measures) before using the tools. Incorrect use or improper maintenance could lead to serious accidents even fatal. Please read carefully or learn enough knowledge before use.